It might be hard to live within them, but most people have budgets. And, sometimes budgeting means tough spending choices like deciding between buying medicine or food. For GPB’s energy series , reporter Ross Terrell got a close look at just how hard it can be for people on tight budgets to pay their utility bills. He met a woman named Barbara C., who talked about working at a factory for 35 years and, upon retiring, found herself struggling to keep her lights on.